BMW Z4 sDrive35is 2011 - Manual (Page 36)

The indicator lamp in the instrument
cluster comes on and a message ap‐
pears on the Control Display: replace
the remote control battery.
Replacing the battery
The remote control for Comfort Access con‐
tains a battery that will need to be replaced from
time to time.
1. Take the integrated key out of the remote
control, refer to page 28 .
2. Remove the cover.
3. Insert a battery of the same type with the
positive side facing upwards.
4. Press the cover closed.
Return used battery to a recycling collec‐
tion point or to your service center.
Alarm system*
The concept
The vehicle alarm system responds to:
▷ Opening of a door, the hood or the trunk lid.
▷ Movements in the vehicle: interior motion
sensor, refer to page 37 .
▷ When the car's inclination changes, for in‐
stance if an attempt is made to jack it up and
steal the wheels or to raise it prior to towing
away.
▷ Interruptions in battery voltage.
The alarm system signals unauthorized entry
attempts for a short time by means of:
▷ By sounding an acoustic alarm.
▷ Switching on the hazard warning system.
▷ By flashing the high beams.
Arming and disarming the alarm
system
When you lock or unlock the vehicle, either with
the remote control or at the door lock, the alarm
system is armed or disarmed at the same time.
Trunk lid and armed alarm system
The trunk lid can be opened using the remote
control, even if the alarm system is armed.
Press the button on the remote control for
approx. one second.
Note the opening height of the trunk lid
During opening, the trunk lid pivots back
and up. Ensure that there is sufficient clearance
when the trunk lid opens; otherwise, damage
may result.◀
After the lid is closed, it is locked and monitored
again by the alarm system.
Panic mode*
You can trigger the alarm system if you find
yourself in a dangerous situation.
Press the button on the remote control for at
least three seconds.
To switch off the alarm: press any button.
Switching off the alarm
▷ Unlock the vehicle using the remote control,
refer to page 30 .
▷ Insert the remote control all the way into the
ignition lock.
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Opening and closing